This contains single player and multiplayer Tetris games.
The single player game comes with 4-stage preview tetrominos, hold function, EEPROM-based hiscore and standard Tetris scoring.
The multiplayer game links with a second device over infrared and runs in battle-mode where cleared lines are added to the opponent's board. The display is divided in 2 with the player's screen on the left and the opponent's screen on the right. The winner is the player to survive the longest.